133764404 has 12 divisors (see below), whose sum is σ = 234596544. Its totient is φ = 66736824.

The previous prime is 133764391. The next prime is 133764409. The reversal of 133764404 is 404467331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133764409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34262 + ... + 37965.

It is an arithmetic number, because the mean of its divisors is an integer number (19549712).

Almost surely, 2^133764404 is an apocalyptic number.

It is an amenable number.

133764404 is a deficient number, since it is larger than the sum of its proper divisors (100832140).

133764404 is a wasteful number, since it uses less digits than its factorization.

133764404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72694 (or 72692 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 133764404 is about 11565.6562286798. The cubic root of 133764404 is about 511.4229185344.

The spelling of 133764404 in words is "one hundred thirty-three million, seven hundred sixty-four thousand, four hundred four".